Noise from Specific Sources in Iowa (2026)
14 rules on the books across Iowa, 6 cities and counties. Select a rule to read the full details.
Severity: Few Restrictions · Light Restrictions · Some Restrictions · Significant Restrictions · Heavy Restrictions
HVAC & Mechanical Noise
Noise limits for air conditioners, heat pumps, pool equipment, and other mechanical systems, including decibel thresholds measured at the property line.
Des Moines
Some RestrictionsDes Moines bars businesses from letting sound leak out through walls, roof openings, vents or rooftop mechanical units…
Read full rule →Dubuque
Some RestrictionsDubuque separately regulates air conditioner noise: City Code Section 6-5-4 bars installing, operating or using a…
Read full rule →Bar & Nightclub Noise
Noise regulations specific to bars, nightclubs, and entertainment venues, including bass frequency limits, soundproofing requirements, and complaint procedures.
Council Bluffs
Some RestrictionsIn the City of Council Bluffs, a bar, club or other place of public entertainment cannot run sound above 90 dBA where…
Read full rule →Des Moines
Some RestrictionsDes Moines bars and nightclubs playing background music outdoors need a Type "E" sound permit capping noise at 65 dBCs…
Read full rule →Car Alarm Limits
Maximum duration for car alarms before they must auto-silence, penalties for repeated false alarms, and vehicle towing authority for chronic alarm violations.
Council Bluffs
Some RestrictionsIn the City of Council Bluffs, sounding a car horn, alarm, bell or similar auditory device on a public right-of-way or…
Read full rule →Waterloo
Some RestrictionsIn the City of Waterloo, Iowa, a motor vehicle burglar alarm must automatically shut itself off within three minutes of…
Read full rule →Generator Noise
Rules for portable and standby generators, including permitted operating hours, decibel limits, and restrictions during non-emergency use.
Delivery Truck Noise
Time-of-day restrictions on commercial delivery trucks operating in residential zones, including back-up beepers, refrigeration units, and engine idling.
Ankeny
Some RestrictionsIn the City of Ankeny, Iowa, outdoor loading and unloading noise, including handling boxes, crates and dumpsters, is a…
Read full rule →Council Bluffs
Some RestrictionsIn the City of Council Bluffs, CBMC 4.50.060 bars loading, unloading and handling boxes, crates, containers or garbage…
Read full rule →Des Moines
Some RestrictionsDes Moines bars garbage trucks and other solid-waste collection vehicles from picking up or emptying dumpsters within…
Read full rule →Dubuque
Some RestrictionsDubuque's noise ordinance bars loud or excessive noise from loading or unloading vehicles or from opening and…
Read full rule →Iowa City
Some RestrictionsIowa City bans loading, unloading or handling boxes, crates and garbage cans near residential property between 10:00…
Read full rule →Waterloo
Some RestrictionsIn the City of Waterloo, Iowa, loading, unloading or otherwise handling boxes, crates, containers, building materials…
Read full rule →Low-Frequency Bass Limits
Special bass-frequency (≤125 Hz) sound limits for venues, including dB(C) measurement standards and how cities differentiate bass noise from baseline ambient.